Auxiliary seal and measure for collapsible tubes



Oct. 15, 1935. w. A. MULFORD AUXILIARY SEAL AND MEASURE FOR COLLAPSIBLE TUBES Filed March 5, 1935 MW a .m W7! M y Patented Oct. 15, 1935 AUXILIARY SEAL AND MEASURE FOR COLLAPSIBLE TUBES William A. Mulford, Gladwyne, Pa. Application March 5, 1935, Serial No. 9,405

2 Claims. (Cl. 22160) The object of my invention is to provide an auxiliary seal and measure for collapsible tubes such as are used for pastes, fluids, liquid or semiliquid substances, such as glue, tooth paste, and

assembled on the tube I by passing the support I through the hole in the nipple 2, before the opposite end of tube I from nipple 2 is formed into the seal or closure. The inner end of support 'I 5 the like. is then bent over, as indicated at 8, to retain sup- 5 More specifically, my invention consists of a port I and the disk 5 supported thereon in posicollapsible tube having at one end thereof a tion on the tube.

nipple formed with an outlet opening there- The operation of my device is quite simple. through, a disk mounted outside the tube and ad- The cap 5 is removed and the contents of the jacent the end of said nipple, and a rod of irregutube or a part thereof are expelled through 10 lar outline supporting said disk for reciprocating the outlet opening 3 by squeezing or colmovement toward and away from said outlet but lapsing the tube I. The pressure of the conretaining said disk-against rotation relative to tents flowing' out of the opening 3 moves said outlet. disk t outward away from the end of nip- For a further exposition of my invention, referple 2. It will thus be seen that disk 6 acts as a 15 ence may be had to the annexed drawing and guard or protector for the inner wall of cap 5. specification, at the end thereof my invention will In the case of contents of a pasty nature, pressure be specifically pointed out and claimed. of the contents passing through opening 3 forms In the drawing: a column or rod of the contents. When this col- Fig. 1 is a side elevation, with parts in longituumn or rod has pressed disk 5 to its limit of out- 20 dinal cross-section, and with the seal and measward travel on support I, a definite amount of the ure in open position. contents lies between disk 6 and the end of nipple Fig. 2 is a side elevation, with parts in longitu- 2. This may then be removed and the cap 5 redinal cross-section, with the cap in position, and placed by being located over disk 6, which is then with the seal and measure in closed position. pressed inward and cap 5 attached to screw- 25 Fig. 3 is a perspective View of the seal and threads 4. It will thus be seen that disk 6 forms measure before its application to a collapsible a measuring device. tube. I do not intend to be limited save as the scope In that embodiment of my invention chosen for of the prior art and of the attached claims may an illustration in the drawing and description in the require.

specification, there is shown a collapsible tube I I claim:- preferably of soft, bendable metal or alloy,- al- 1. Anauxiliary seal and measure for collapsible though it may also be made of paper or similar tubes comprising, in combination, a collapsible bendable material. ,At one end tube I carries a tube having a nipple at one end with an outlet nipple 2 having an outlet opening 3 therethrough, opening therethrough, a disk of suitable size to 35 through which the contents of the tube 5 may be cover said opening and the end of said nipple, expelled as by squeezing on the opposite or closed and a support comprising a rod of irregularly end of the tube. Nipple 2 carries on its outer surshaped outline passing through a hole distinct face means, such asscrew-threads d, which 00- from said outlet opening and of similar outline to Operate With corresponding means to detachably said rod and located in said nipple and having its 40 retain a cap 5 in position so as to close opening 3. inner end bent for co-operation with the inner My novel auxiliary seal and measure consists of end of said nipple to provide said di k ith 11 a disk or like flat member 5, mounted opposite ited reciprocating movement relative to the end and adjacent the end of outlet 3 and adapted to of said nipple and to hold said disk against rotabe located within cap 5. Disk 6 is mounted upon tion relative to said nipple. 45 a support I which is of irregular shape in cross- 2. In combination with a collapsible tube havsection, as, for example, the shape of a rectangle. ing a nipple formed with an outlet therethrough, At its inner end support 1 is bent over aS indicated an auxiliary seal and measure comprising a flat at 8, to co-operate w t inner d of pp 2 member mounted for limited reciprocating movea to provide disk 5 With a limitedreciprocating ment toward and away from said nipple and held 50 movement toward and away from outlet 3. OW- against either partial or complete rotation relan t the irregular Outline of pp 1 and the tive to said nipple, and a support for said member CorreSpOnding hole in pp 2 in which it is comprising a rod of irregular outline passing mounted, disk 6 is held against rotation relative through hol of similar outline in said nipple to outlet 3. 55

The auxiliary seal and measure is conveniently and having its inner end bent to form a stop.

WILLIAM A. MULFORD. 

